CEYLON ELECTRICITY BOARD SRI LANKA. Procurement of Plant

Transcription

1 CEYLON ELECTRICITY BOARD SRI LANKA GREEN POWER DEVELOPMENT AND ENERGY EFFICIENCY IMPROVEMENT INVESTMENT PROGRAMME (TRANCHE 2) (ADB LOAN NO:3483/3484) PACKAGE 3: LOT B Procurement of Plant Design, Supply and Install Single-Stage, Two-Envelope Bidding Procedure BIDDING DOCUMENT For Procurement Of Augmentation of: Biyagama Grid Substation Construction of: Biyagama 220/33 kv GSS VOLUME 7 of 8 PART II REQUIREMENTS Section 6 - Employer s Requirements: Part D-Supplementary Information, Part E-Bank Guaranties and Certificates, Change Orders Issued on: 16 March 2017 Transmission Division Invitation for Bids No: CEB/AGM/TR/2016/IFB/GPDEEIIP2-3B Ceylon Electricity Board, ICB No.: CEB/AGM/TR/2016/IFB/GPDEEIIP2-3B P.O. Box 540, Colombo 2 Employer: Ceylon Electricity Board Sri Lanka Country: Sri Lanka Document-Revision 2 Transmission Design Branch, CEB

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3 Preface This Bidding Document for Procurement of Plant Design, Supply and Installation, has been prepared by Ceylon Electricity Board of Sri Lanka and is based on the Standard Bidding Document for Procurement of Plant Design, Supply and Installation (SBD Plant) issued by the Asian Development Bank dated December 2015 ADB s SBD Plant has the structure and the provisions of the Master Procurement Document entitled Procurement of Plant Design, Supply and Installation, prepared by multilateral development banks and other public international financial institutions except where ADB-specific considerations have required a change.

4 Table of Contents - Summary Description VOLUME 1 of 8 PART I BIDDING PROCEDURES VOLUME 2 OF 8 Section 1 - Instructions to Bidders (ITB) This section specifies the course of actions to be taken by Bidders in the preparation and submission of their Bids following a Single Stage Two Envelop bidding procedure. Information is also provided on the submission, opening, and evaluation of bids and on the award of contract. Section 2 - Bid Data Sheet (BDS) This section consists of provisions that are specific to each procurement and supplement the information or requirements included in Section 1 - Instructions to Bidders. Section 3 - Evaluation and Qualification Criteria (EQC) This section contains all the criteria that the Employer shall use to evaluate bids and qualify Bidders. In accordance with ITB 34 and ITB 35, no other factors, methods or criteria shall be used. The Bidder shall provide all the information requested in the forms included in Section 4 (Bidding Forms). PART I BIDDING PROCEDURES VOLUME 3 OF 8 Section 4 - Bidding Forms (BDF) A-1 Part A-Price Bid This Section contains the forms which are to be completed by the Bidder and submitted as part of his Bid. PART I BIDDING PROCEDURES Section 4 - Bidding Forms (BDF) B-1 Part B-Technical Bid This Section contains the forms which are to be completed by the Bidder and submitted as part of his Bid. Section 5 - Eligible Countries (ELC) This section contains the list of eligible countries. VOLUME 4 OF 8 PART II REQUIREMENTS VOLUME 5 OF 8 Section 6 - Employer s Requirements (ERQ) A-1 Part A-Scope of Works PART II REQUIREMENTS Section 6 - Employer s Requirements (ERQ) B-1 Part B-Technical Specification

5 VOLUME 6 OF 8 PART II REQUIREMENTS Section 6 - Employer s Requirements (ERQ) C-1 Part C-Drawings VOLUME 7 OF 8 PART II REQUIREMENTS Section 6 - Employer s Requirements (ERQ) D-1 Part D-Supplementary Information Section 6 - Employer s Requirements (ERQ) E-1 Part E-Bank Guaranties and Certificates, Change Orders VOLUME 8 OF 8 PART III CONDITIONSOF CONTRACTAND CONTRACTFORMS Section 7 - General Conditions of Contract (GCC) This Section contains the general clauses to be applied in all contracts. These Conditions are subject to the variations and additions set out in Section 8 (Special Conditions of Contract). Section 8 - Special Conditions of Contract (SCC) This Section supplements the General Conditions of Contract (GCC). Whenever there is a conflict, the provisions herein shall prevail over those in the GCC. The clause number of the SCC is the corresponding clause number of the GCC. Section 9 - Contract Forms (COF) This Section contains the Letter of Acceptance, the Contract Agreement and Appendices to the Contract Agreement which, once completed, will form part of the Contract.

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7 Section 6 - Employer s Requirements Part D 1. Supplementary Information 1. Manufacturers and Places of Manufacture, Testing 6D-2 2. Technical Particulars and Guarantees 6D-6 3. Times for Delivery & Completion and Contract Completion Times 6D Departures from the Specification 6D Manufacturer s and Subcontractor s Statement of Experience 6D Documents, Drawings and Information to be Submitted 6D Adherence to the Environmental Acts, Regulations and/or Guidelines 6D-146

8 Section 6-Employer s Requirements 6D 1 Notes on Schedules The schedules are intended to provide the Employer with essential supplementary information in an organised format. The examples of more commonly used schedules are given herein. Others may be devised and added in accordance with the requirements of the instructions to bidders. All the schedules are essential for the bid evaluation and some in contract execution; they should all be incorporated in the contract, and appropriate changes introduced with the approval of the employer or its representative. The schedules are to be completed and submitted as part of the technical proposal in accordance with the instruction to bidders. Bidding Document for GPDEEIP2-P3-Lot-B Procurement of Plant Single-Stage: Two-Envelope

9 Section 6-Employer s Requirements 6D 2 1 MANUFACTURERS, PLACE OF MANUFACTURE AND TESTING ITEM MANUFACTURER PLACE OF MANUFACTURE PLACE OF TESTING & INSPECTION HV OUTDOOR SWITCH GEAR 245kV Circuit Breakers Disconnectors Busbars Current Transformers Earthing Switches Post Insulators Surge Arrestors Hanging Type Post Insulators Insulator Strings Steel structures Flexible conductors Connectors Neutral Current Transformers MV SWITCHGEAR 36kV Outdoor Switchgear Steel structures Flexible conductors Connectors Post Insulators Surge arresters Cable Terminations Busbars String Insulators Gantries Neutral Current Transformer Indoor GIS Switchgear Circuit Breakers Disconnectors Bidding Document for GPDEEIP2-P3-Lot-B Procurement of Plant Single-Stage: Two-Envelope

10 Section 6-Employer s Requirements 6D 3 Circuit Breakers Double Break ITEM MANUFACTURER PLACE OF MANUFACTURE PLACE OF TESTING & INSPECTION Busbars Current Transformers Voltage Transformers Earthing Switches ANCILLARY EQUIPMENT Gas Handling Equipment Testing Equipment 400V SWITCH BOARDS Panels Circuit Breakers PROTECTION METERING & CONTROL Panels Instruments 220 kv Protection Relays 220 kv Control IEDs 33 kv Protection Relays 33 kv Control IEDs AVR Substation Automation System modification carried-out by: DDR DC EQUIPMENT Batteries Chargers Distribution Boards 220/48 V DC-DC Convertors CONTROL CABLES PVC insulated Cables Telecommunication Cables Bidding Document for GPDEEIP2-P3-Lot-B Procurement of Plant Single-Stage: Two-Envelope

11 Section 6-Employer s Requirements 6D 4 ITEM MANUFACTURER PLACE OF MANUFACTURE PLACE OF TESTING & INSPECTION POWER CABLES & TERMINATION 36kV Cables 1 kv Cables Sealing Ends and Joints etc 36 kv Cables Terminations Cable trays 36kV Cable Joints (XLPE) EARTHING Copper Conductor Clamps Earthing rods SITE ERECTION To be carried out by :- TRANSFORMERS Power Transformers 220/33 kv Transformers Complete Windings 220 kv Terminal 220 kv Neutral Terminal 33 kv Terminal Insulators Tap Changers Copper Core parts Tanks Radiators Fan motors Temperature indicators Oil valves Pressure relief device Bidding Document for GPDEEIP2-P3-Lot-B Procurement of Plant Single-Stage: Two-Envelope

12 Section 6-Employer s Requirements 6D 5 Motor Control equipment ITEM MANUFACTURER PLACE OF MANUFACTURE PLACE OF TESTING & INSPECTION Alarm Devices Gas and Oil actuated relays Oil level indicator Direct Hotspot measurement system Online Monitoring System AUXILIARY TRANSFORMER 33/0.4kV Transformer Complete HV Bushings Insulators EARTHING TRANSFORMERS 800A/30sec Transformer Complete HV Bushings Insulators STEEL STRUCTURES SCADA EQUIPMENT FIBRE OPTIC EQUIPMENT PLC EQUIPMENT CCTV SYSTEM CEMENT Solar power system PV Panels Solar Inverter Combine boxes Monitoring and data acquisition system Bidding Document for GPDEEIP2-P3-Lot-B Procurement of Plant Single-Stage: Two-Envelope

13 Section 6-Employer s Requirements 6D 6 2 D TECHNICAL PARTICULARS AND GURANTEES A - ELECTRICAL WORKS TABLE OF CONTENTS Item No: Description Page No KV OUTDOOR SWITCHGEAR (220V DC VOLTAGE) Circuit Breaker Current Transformer Insulator Strings Busbars and Connections Post and Disconnector Insulators Surge Arresters (Hanging Type) Switchgear Insulators Neutral Current Transformers KV OUTDOOR SWITCHGEAR (22OV DC VOLTAGE) Insulator Strings Post and Disconnector Insulators Surge Arresters Switchgear Insulators Neutral Current Transformers Busbars Connectors kv Power Cable Terminations KV INDOOR SWITCHGEAR & ASSOCIATED EQUIPMENT (220V DC VOLTAGE) High Voltage Gas Insulated Switchgear Busbars Circuit Breaker Disconnecting Switch Maintenance Earthing Switch High Speed Earthing Switch Current Transformer Voltage Transformer Local Control Unit LVAC EQUIPMENT BATTERIES AND CHARGERS V DC KV PROTECTION EQUIPMENT /33 kv Transformer Biased Differential Protection Transformer Restricted Earth Fault Protection Busbar Protection Tripping Relays Inverse Time Overcurrent and Earth Fault Protection Faults Dead Line Check Relays Synchronising Check Relays Breaker Failure Protection Intertripping Send/Receiver Relays Under Frequency Relay Substation Automation System (For integration works) Digital Disturbance Recorder (DDR) System KV PROTECTION EQUIPMENT Transformer Restricted Earth Fault Protection Tripping Relays Inverse Time Overcurrent & Earth Fault Protection Dead Line Check Relays Synchronising Check Relays Intertripping Send/Receiver Relays... 86

14 Section 6-Employer s Requirements 6D Under Frequency Relay FIBER OPTIC & SCADA EQUIPMENT Optical Fibre Equipment Interfaces GROUNDING MATERIALS CABLES V Cables Multicore Control Cables XLPE Power Cables (Include separate column for each type or cross-section of cable) POWER TRANSFORMERS MVA 220 kv /33 kv Power Transformer (220 V DC Voltage) Earthing Transformers Auxiliary Transformers ENERGY METERS

15 Section 6-Employer s Requirements 6D 8 Notes : - 1. There shall be no equipment offered without filling these schedules. These sheets to be copied and filled in separately for each different type of equipment offered. 2. Refer scope of work & drawings for detail ratings.

16 Section 6-Employer s Requirements 6D kV OUTDOOR SWITCHGEAR (220V DC VOLTAGE) Circuit Breaker 245kV 245kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC IEC Manufacturer s type designation, and type ref or model number 6. Interrupting Medium SF 6 7. Number of Phases Nos Frequency Hz Rated Voltage kv Impulse withstand voltage on 1.2/50 Wave One minute Power frequency withstand voltage kv 1050 Closed kv 460 Open kv Rated normal current A 13. Short- time withstand current switchgear 1 Sec: rms ka Rated short-circuit breaking current. Symmetrical rms ka 40 DC component % More than 20% 15. Short-circuit making current Peak ka Rated transient recovery voltage at rated short circuit breaker current V 17. Rated Operating duty cycle O-0.3Sec- CO-3Min-CO 18. First phase to clear factor 1.3

17 Section 6-Employer s Requirements 6D kV 245kV 19. Rated short circuit Breaking current (a) kv (pk) (b) RRRV 20. Rated small inductive breaking current. A 21. Rated line charging breaking current A Rated cable charging breaking current. A Rated out of phase breaking current A Rated characteristic for short line fault as per IEC Maximum allowable switching over voltage Minimum time for arc extinction to contact remake when adapted for auto-reclosing (dead time) Time from closing of control switch for completion of closing stroke during fault making (make time) A kv ms ms 28. Type Testing Authority 29. Type Test Certificate Report Reference No. 30. Opening time - Without current. ms - at 100% of rated breaking current ms Maximum arcing time of any duty cycle of (IEC ) Duty on which maximum arc duration occurs Current at which maximum arc duration occurs ms A 34. Make time ms

18 Section 6-Employer s Requirements 6D kV 245kV 35. Minimum time for arc extinction to contact remake when adopted for auto reclosing ms 36. Time from closing of control switch to completion of closing stroke during fault making. ms 37. Is an external series break incorporated in break? /No 38. Is a device used to limit transient recovery voltage? /No No 39. Method of closing. 40. Method of tripping. 41. Rated voltage for spring winding motor for closing V DC Closing release coil current A 43. Closing release coil voltage V DC Trip coil current A 45. Trip coil voltage V DC Is the circuit-breaker trip free? /No 47. Minimum clearances in air: (a) between phases (b) phases to earth (c) across interrupters (d) live parts to ground level mm mm mm mm 48. Material of tank interrupter chamber 49. Material of moving contact operating rod 50. Material of contact surfaces (a) Main contact (b) Arcing contact 51. Number of breaker per phase Nos. 01

19 Section 6-Employer s Requirements 6D kV 245kV 52. Length of each break mm 53. Length of stroke mm 54. Weight of circuit-breaker unit complete 55. Maximum shock load imposed on floor of foundations when opening under fault conditions (state whether tension or compression) 56. Quantity of gas in complete threephase circuit breaker 57. Maximum pressure rise in circuit breakers due to the making or breaking of rated current. 58. Routine pressure test on circuit breaker tanks or containers 59. Pressure type test on Circuit Breaker tanks or containers kg kg litres Bar Bar Bar 60. Interrupting Gas Pressure (a) at (20 0 C) normal (b) at (30 0 C) normal 61. (a) Limits of gas pressure at 20 0 C Maximum Minimum Bar Bar Bar Bar (b) Limits of gas pressure at 30 0 C Maximum Minimum 62. Period of time equipment has been in commercial operation Bar Bar Years 63. Number of operations before interrupter maintenance required. (a) At rated short circuit current Nos (b) At full load current Nos 5000 Mechanical Endurance Class Class M2

20 Section 6-Employer s Requirements 6D 13 Type Tests Document reference number and Type tested model shall be written in tendered column. Included in the Bid ( or No) 65. /No Dielectric tests 66. Measurement of the resistance of /No the main circuit 67. Temperature-rise tests /No Short-time withstand current and peak withstand current tests Additional tests on auxiliary and control circuits Mechanical operation test at ambient temperature Short-circuit current making and breaking tests /No /No /No /No

21 Section 6-Employer s Requirements 6D Current Transformer 245kV 245kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC &2 5. Manufacturer s type designation, and type ref or model number 6. Number of phase Single 7. Installed location Outdoor 8. Highest system voltage kv Rated frequency Hz Rated current ratio. A 11. Rated Primary Current A 12. Rated Secondary Current A 13. Number of cores 14. Accuracy (i) For revenue metering 0.2 (ii) For Protection 15. Rated burden VA 16. Continuous Current Rating Factor Rated short Circuit current 1 sec rms ka Rated short time thermal current (as per breaker) ka Sec Rated insulation level (i) AC withstand voltage 1 min.dry Primary kv 460 Secondary

22 Section 6-Employer s Requirements 6D kV 245kV (ii) Impulse withstand voltage full wave kv Knee point voltage V 21. DC Resistance 22. Dimensions (i) Overall height (ii) Total length (iii) Total weight per phase 23. Rated Dynamic peak current. A 24. Creepage distance of the insulators mm Type Tests Document reference number and Type tested model shall be written in tendered column. Included in the Bid ( or No) 25. Temperature-rise test 26. Impulse voltage tests on primary terminals 27. Electromagnetic Compatibility tests 28. Electromagnetic Compatibility tests 29. Verification of the degree of protection by enclosures 30. Enclosure tightness test at ambient temperature

23 Section 6-Employer s Requirements 6D Insulator Strings 245kV 245kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Insulator material Glass or Porcelain 7. Number of units per string: 8. Outside diameters of units mm 9. Distance of centres of units mm 10. Length of string overall mm 11. Maximum working load kn 12. Minimum failing load per unit kn 13. Mechanical routine load test kn 14. Electro-mechanical failing load kn 15. Mechanical failing load kn 16. Electrostatic capacity of unit pf 17. Weight of complete string kg Hz 1 minute withstand voltage of unit, dry 50 Hz 1 minute withstand voltage of unit, wet kv 460 kv 20. Minimum 50 Hz puncture voltage kv 21. Dry lightning impulse withstand voltage of string 1.2/50 micro second wave kv 1050

24 Section 6-Employer s Requirements 6D kV 245kV 22. Switching impulse withstand voltage, wet kv 23. Minimum total creepage distance per unit (i) Specified Polluted mm 6125 (ii) Guaranteed Polluted 24. Protected creepage distance per string 25 Minimum nominal specific creepage distance mm mm mm/kv 25

25 Section 6-Employer s Requirements 6D 18 3 DISCONNECTORS 245kV 245kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC IEC Manufacturer s type designation, and type ref or model number 6. Rated frequency Hz Rated voltage kv No. of poles per unit 3 9. Dimension and weight (i) Overall height (ii) Total length (iii) Total width (iv) Total weight mm mm mm kg 10. Type of contacts 11. Material of contact surface Silver coated 12. Rated normal current A Maximum short time withstand current (1 sec) rms ka Air gap between poles of one phase mm 15. Type of operating mechanism - Disconnector Motor - Earthing Switch Motor 16. Manual Operating facility /No

26 Section 6-Employer s Requirements 6D kV 245kV 17. Motor Voltage V DC Total weight of three-phase Isolator complete kg 19. Charging current breaking capacity A 20. Magnetizing current breaking capacity A 21. Power consumption of the motor. kw 22. Operating time 23. Lighting impulse withstand voltage (i) to earth kv 1050 (ii) across isolating distance kv Rated one minute Power frequency withstand voltage (i) to earth kv 460 (ii) across isolating distance kv 460 Type Tests Document reference number and Type tested model shall be written in tendered column. Included in the Bid ( or No) 25. Test to prove satisfactory operation and mechanical endurance test 26. Test to prove the short-circuit making performance of earthing switches 27. Test to prove satisfactory operation at temperature limits 28. Test to prove the proper function of position indicating devices 29. Test to prove the bus-transfer current switching capability of disconnectors 30. Tests to prove the induced currentswitching capability of earthing switches

27 Section 6-Employer s Requirements 6D Tests to prove the bus-charging current switching ability of disconnectors used in metal enclosed switchgear

28 Section 6-Employer s Requirements 6D Busbars and Connections 245kV 245kV BUS BARS 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Material Al Tubes Al Tubes 7. Overall diameter 8. Nominal section mm 9. Cross section and make-up mm Maximum rated current A Maximum working tension of main connections Resistance of conductors per 100m at 30 0 C kn/m 2 ohms 13. Tensile breaking stress of material kn/m Maximum permissible span length m 15. Maximum sag under own weight of maximum span mm

29 Section 6-Employer s Requirements 6D kV 245kV CIRCUIT CONNECTIONS 1. Manufacturer's Name 2. Manufacturer's Address 3. Material 4. Overall diameter mm 5. Nominal section mm 2 6. Cross section and make-up 7. Maximum rated current A Maximum working tension of main connections Resistance of conductors per 100M at 30 0 C kn/m 2 ohms 10. Tensile breaking stress of material kn/m Maximum permissible span length m 12. Maximum sag under own weight of maximum span mm

30 Section 6-Employer s Requirements 6D Post and Disconnector Insulators 245kV 245kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC IEC Manufacturer s type designation, and type ref or model number 6. Insulator material Porcelain 7. Insulator type 8. Maximum working vertical load: Tension Compression kn kn 9. Minimum failing load (tension) kn 10. Maximum horizontal working load kn 11. Minimum failing load(torsion) Nm 12. Minimum failing load(bending) kn 13. Shed profile (to be enclosed with Tender) Drg. No 14. Greatest diameter mm 15. Number of units in one insulator 16. Length overall per complete post mm 17. Weight of complete post kg 18. Electrostatic capacity pf Hz 1 minute withstand voltage, dry kv 460

31 Section 6-Employer s Requirements 6D kV 245kV Hz 1 minute withstand voltage, wet kv Dry lightning impulse withstand Voltage, 1.2/50 micro sec. wave kv Minimum creepage distance (i) Specified Polluted mm (ii) Guaranteed Polluted Protected creepage distance polluted mm mm

32 Section 6-Employer s Requirements 6D Surge Arresters (Hanging Type) 245kV 245kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC IEC Manufacturer s type designation, and type ref or model number 6. System highest voltage kv Protective levels to be less than or equal to:- Transformer kv Class of diverter to IEC :1991 (BS EN :1994) -Duty Heavy -Long duration discharge class Class 2 -Pressure relief class A 9. Rated voltage rms kv Rated normal discharge current ka Hz spark over voltage Min. rms kv % impulse spark over on 1.2/50 micro sec. wave Max. peak kv 13. Switching surge spark over. Max. peak kv

33 Section 6-Employer s Requirements 6D kV 245kV 14. Discharge residual voltage based on 10/20 wave at 5 ka peak kv 10 ka peak kv 20 ka peak kv 15. Current at which resistor elements are stabilized in manufacture ka 16. Current discharge capacity: 5/10 micro sec. Wave Peak ka 2,000 micro sec, Peak ka Rectangular wave Peak ka 17. Minimum reseal voltage rms kv 18. Total height of diverter mm 19. Total weight of diverter kg 20. Type reference of surge counter 21. Minimum creepage distance per unit (i) Specified polluted mm 6125 (ii) Guaranteed Polluted NB: Evidence of substantial service experience is to be submitted. mm

34 Section 6-Employer s Requirements 6D Switchgear Insulators 245kV 245kV Including hollow and post insulators for minimum oil or gas circuit breakers, hollow insulators for current transformers, capacitor type voltage transformers and coupling capacitors. 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Rated service voltage kv Principal insulating material Porcelain 8. Length of insulator overall mm 9. Shed profile (to be enclosed with Tender) 10. Weight of insulator complete with fittings Drg. No. kg 11. Electrostatic capacity complete insulator pf 12. Material of fittings 13. Minimum Nominal specific creepage distance (based on highest system voltage) mm/kv Protected creepage distance mm 15. Voltage below which no corona shall be visible 16. Dry lightning impulse withstand (1.2/50 microsecond wave) kv kv Switching impulse withstand voltage kv

35 Section 6-Employer s Requirements 6D Neutral Current Transformers 245kV 245kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Rated voltage kv Hz 1 minute withstand voltage, wet Type of construction (post, ring, etc.) kv Material of primary insulation

36 Section 6-Employer s Requirements 6D KV OUTDOOR SWITCHGEAR (22OV DC VOLTAGE) Insulator Strings 36kV 36kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Insulator material Glass or Porcelain 7. Number of units per string: 8. Outside diameters of units mm 9. Distance of centres of units mm 10. Length of string overall mm 11. Maximum working load kn 12. Minimum failing load per unit kn 13. Mechanical routine load test kn 14. Electro-mechanical failing load kn 15. Mechanical failing load kn 16. Electrostatic capacity of unit pf 17. Weight of complete string kg Hz 1 minute withstand voltage of unit, dry 50 Hz 1 minute withstand voltage of unit, wet kv 70 kv 20. Minimum 50 Hz puncture voltage kv 21. Dry lightning impulse withstand voltage of string 1.2/50 micro second wave kv 170

37 Section 6-Employer s Requirements 6D 30 36kV 36kV 22. Switching impulse withstand voltage, wet 23. Minimum total creepage distance per unit kv N/A (i) Specified Polluted mm 900 (ii) Guaranteed Polluted 24. Protected creepage distance per string 25 Minimum nominal specific creepage distance mm mm mm/kv 25

38 Section 6-Employer s Requirements 6D Post and Disconnector Insulators 36kV 36kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC IEC Manufacturer s type designation, and type ref or model number 6. Insulator material Porcelain 7. Insulator type 8. Maximum working vertical load: Tension Compression kn kn 9. Minimum failing load (tension) kn 10. Maximum horizontal working load kn 11. Minimum failing load(torsion) Nm 12. Minimum failing load(bending) kn 13. Shed profile (to be enclosed with Tender) Drg. No 14. Greatest diameter mm 15. Number of units in one insulator 16. Length overall per complete post mm 17. Weight of complete post kg 18. Electrostatic capacity pf Hz 1 minute withstand voltage, dry kv 70

39 Section 6-Employer s Requirements 6D 32 36kV 36kV Hz 1 minute withstand voltage, wet Dry lightning impulse withstand Voltage, 1.2/50 micro sec. wave kv 70 kv Minimum creepage distance (i) Specified Polluted mm (ii) Guaranteed Polluted Protected creepage distance polluted mm mm

40 Section 6-Employer s Requirements 6D Surge Arresters 36kV 36kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC IEC Manufacturer s type designation, and type ref or model number 6. System highest voltage kv Protective levels to be less than or equal to:- Transformer kv Class of diverter to IEC :1991 (BS EN :1994) -Duty Heavy -Long duration discharge class Class 2 -Pressure relief class A 9. Rated voltage rms kv Rated normal discharge current ka Hz spark over voltage Min. rms kv % impulse spark over on1.2/50 micro sec. wave Max. peak kv 13. Switching surge spark over. Max. peak kv

41 Section 6-Employer s Requirements 6D 34 Item Units Required Tendered 36kV 36kV 14. Discharge residual voltage based on 10/20 wave at 5 ka peak kv 10 ka peak kv 20 ka peak kv 15. Current at which resistor elements are stabilized in manufacture ka 16. Current discharge capacity: 5/10 micro sec. Wave Peak ka 2,000 micro sec, Peak ka Rectangular wave Peak ka 17. Minimum reseal voltage rms kv 18. Total height of diverter mm 19. Total weight of diverter kg 20. Type reference of surge counter 21. Minimum creepage distance per unit (i) Specified polluted mm 900 (ii) Guaranteed Polluted NB: Evidence of substantial service experience is to be submitted. mm

42 Section 6-Employer s Requirements 6D Switchgear Insulators 36kV 36kV Including hollow and post insulators for minimum oil or gas circuit breakers, hollow insulators for current transformers, capacitor type voltage transformers and coupling capacitors. 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Rated service voltage kv Principal insulating material Porcelain 8. Length of insulator overall mm 9. Shed profile (to be enclosed with Tender) 10. Weight of insulator complete with fittings Drg. No. kg 11. Electrostatic capacity complete insulator pf 12. Material of fittings 13. Total creepage distance over porcelain of complete post (based on highest system voltage) mm/kv Protected creepage distance mm 15. Voltage below which no corona shall be visible 16. Dry lightning impulse withstand (1.2/50 microsecond wave) kv kv Switching impulse withstand voltage kv N/A

43 Section 6-Employer s Requirements 6D Neutral Current Transformers Item Units Required Tendered 36kV 36kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Rated voltage kv Hz 1 minute withstand voltage, wet Type of construction (post, ring, etc.) kv Material of primary insulation

44 Section 6-Employer s Requirements 6D Busbars 36kV 36kV BUS BARS 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC 5. Manufacturer s type designation, and type ref or model number 6. Material Al Tubes Al Tubes 7. Overall diameter 8. Nominal section mm 9. Cross section and make-up mm Maximum rated current A Maximum working tension of main connections Resistance of conductors per 100m at 30 0 C kn/m 2 ohms 13. Tensile breaking stress of material kn/m Maximum permissible span length m 15. Maximum sag under own weight of maximum span mm

45 Section 6-Employer s Requirements 6D Connectors 36kV 36kV CIRCUIT CONNECTIONS 1. Manufacturer's Name 2. Manufacturer's Address 3. Material 4. Overall diameter mm 5. Nominal section mm 2 6. Cross section and make-up 7. Maximum rated current A Maximum working tension of main connections Resistance of conductors per 100M at 30 0 C kn/m 2 ohms 10. Tensile breaking stress of material kn/m Maximum permissible span length m 12. Maximum sag under own weight of maximum span mm

46 Section 6-Employer s Requirements 6D kv Power Cable Terminations 36kV 36kV Power Cable Terminations 1. Manufacturer's Name 2. Manufacturer's Address 3. Country of manufacture 4. Manufacturer s catalogue number 5. Rated Voltage kv minute power frequency withstand voltage 1.2/50 µs full wave lightning impulse withstand voltage kv 70 kv Maximum working stress Level kv/mm 9. Total minimum Creepage distance mm Protected creepage distance mm 11. Type of connector (Mechanical/Compression) 12. Material of insulation 13. Applicable standards (IEC/IEEE)

47 Section 6-Employer s Requirements 6D kV INDOOR SWITCHGEAR & ASSOCIATED EQUIPMENT (220V DC VOLTAGE) High Voltage Gas Insulated Switchgear 36kV 36kV 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC Manufacturer s type designation, and type ref or model number 6. Rated voltage kv Rated frequency Hz Maximum continuous system voltage at minimum gas pressure Impulse withstand voltage (peak) at minimum gas pressure Power frequency withstand voltage 1 min. at minimum gas pressure Power frequency withstand voltage 1 min at atmospheric pressure kv 36 kv 170 kv 70 kv 12. Rated short time withstand current ka Rated duration of short time withstand current s Rated peak short circuit current ka 15. Heaviest part of any feeder for crane kg 16. Feeder Width mm Depth mm Height mm 17. Current SF6 gas replenishing /No No

48 Section 6-Employer s Requirements 6D 41 Item Units Required Tendered 36kV 36kV Material of filter employed for moisture absorption Heat losses per feeder at rated Power kw

49 Section 6-Employer s Requirements 6D Busbars 36kV 36kV 1. Rated normal current A Rated current at max. ambient temperature A Conductor material 4. Standard applicable 5. Single conductor cross section mm²

50 Section 6-Employer s Requirements 6D Circuit Breaker 36kV 36kV 1. Applicable Standard 2. Type tested /No 3. Type test report, Ref. No. 4. Rated normal current at 20deg. C - line feeder circuit breaker A transformer feeder circuit breaker A bus section circuit breaker A Rated current at max. ambient temperature A - line feeder circuit breaker A - transformer feeder circuit breaker A bus coupler circuit breaker A Rated short circuit breaking current (symmetrical, r.m.s.) Rated short circuit breaking current (asymmetrical, r.m.s.) ka ka Rated short circuit making current (peak) Rated cable charging breaking current ka A 10. Rated line charging breaking current A Rated small inductive breaking current Voltage drop across terminals of one pole at rated current A mv 13. Amplitude factor 14. First pole-to-clear factor 1.5

51 Section 6-Employer s Requirements 6D 44 36kV 36kV 15. Rated operating sequence: O-t-CO-t'-CO - with t sec with t' min Min. time t" between two successful three phase autoreclosures at full rated breaking current (sequence O-t-C-t"-O-t-C) min. 17. Closing time ms - tolerances ms 18. Dead time (max.) ms - tolerances ms 19. Break time (max.) at full rated breaking current ms - tolerances ms 20. Make time (max.) ms - tolerances ms 21. Arcing time (max.) at full short circuit duty ms - tolerances ms Life duration of main contacts (no load mechanical operations) Number of switching operations at rated breaking capacity before contact maintenance becomes necessary Rated pressure of SF6 for arc quenching operations No. min. 100 bar 25. Auxiliary contacts: - number (NO/NC) - voltage rating V DC current rating A DC

52 Section 6-Employer s Requirements 6D 45 36kV 36kV SF6 pressure at which lockout operates To be filled in only in case of hydraulic operating mechanism: bar - Setting of pressure relief device bar - Rated pressure of hydraulic oil bar - Lowest oil pressure at which lockout bar 28. Making coil - Rated voltage V DC min. operating voltage V Rated power each W 29. Trip coil - Rated voltage V DC min. operating voltage V Rated power each W 30. Motor voltage V DC Motor power W 32. Total loss of heaters for 3 poles W 33. Max. temperature rise of contacts at rated normal Current K 34. Arc quenching medium SF 6 /vaccum 35. Material of main contacts 36. Number of breaks in series (per pole) - for closing - for opening No.

53 Section 6-Employer s Requirements 6D 46 Item Units Required Tendered 36kV 36kV 37. Single pole operation (only in Line Feeder Breakers) /No No 38. Making coil: - number pcs 39. Trip coil: - number pcs Gas quantity of complete breaker ( 3 Phase) kg Material of filter employed for the absorption of the products of combustion Method of controlling voltage distribution between breaks (capacitor, resistor etc.) 43. Weight of complete 3 pole breaker kg 44. Weight of heaviest part for shipment kg

54 Section 6-Employer s Requirements 6D Disconnecting Switch 36kV 36kV 1. Model No. 2. Type tested /No 3. Type test report, Ref. No Standards to which disconnector conforms Power frequency withstand voltage across isolating distance Lightning impulse withstand voltage across isolating distance kv 80 kv 195 IEC Rated normal current at 20 0 C - feeder disconnecting switch A bus coupler disconnecting switch A bus section disconnecting switch A transformer feeder disconnecting switch A Rated current at max. ambient temperature: - line feeder disconnecting switch A - bus coupler disconnecting switch A - bus section disconnecting switch 9. - transformer feeder disconnecting switch Voltage drop across terminals of one pole at rated current A mv 10. Rated breaking current (capacitive) A 11. Rated momentary current (peak) ka 12. Life duration of main contacts operations

55 Section 6-Employer s Requirements 6D 48 36kV 36kV 13. Material of main contacts 14. Auxiliary contacts: - number (NO/NC) pcs/pcs - voltage rating V DC current rating A DC 15. Operating mechanism: - for closing electric motor - for opening electric motor 16. Manual operating facility /No 17. Motor voltage V DC Motor power W 19. Hand operating facilities /No 20. Weight - 3 phase unit with driving mechanism kg 21 Mechanism heater loss W

56 Section 6-Employer s Requirements 6D Maintenance Earthing Switch 36kV 36kV 1. Type tested /No 2. Type test report, Ref. No. 3. Standards to which earthing switch conforms 4. Life duration of main contacts operations 5. Material of main contacts 6. Auxiliary contacts: - number (NO/NC) pcs/pcs - voltage V DC Operating mechanism: - for opening Electric motor - for closing Electric motor 8. Motor voltage V DC Motor power W 10. Hand operating facilities /No

57 Section 6-Employer s Requirements 6D High Speed Earthing Switch 36kV 36kV 1. Type tested /No 2. Type test report, Ref. No. 3. Standards to which earthing switch conforms 4. Making current ka r.m.s Number of closing operations with maximum short circuit current before the contact maintenance becomes necessary No 2 6. Short circuit withstand duration s 1 7. Life duration of main contacts operations 8. Material of main contacts 9. Auxiliary contacts: - number (NO/NC) pcs/pcs - voltage V DC Operating mechanism: - for closing - for opening 11. Max. Operating time - for closing ms - for opening ms 12. Motor voltage V DC Motor power W 14. Hand operating facilities /No

58 Section 6-Employer s Requirements 6D Current Transformer 36kV 36kV 1. Type 2. Standards to which CT conforms IEC &2 3. Rated secondary current A 1 4. Rated primary current and number of cores A See Scope of Works and drawings 5. Rated momentary current (peak) ka 6. Rated short-time current ka 7. Measuring cores: - Accuracy class Burden - Resistance of secondary winding at 75 0 C Ohms - Instrument security factor 8. Protection cores: - accuracy class protection cores min. (higher class to be used wherever necessitated due to protection requirements) 5P - Resistance of secondary winding protection cores at 75 0 C - Resistance of secondary winding busbar protection cores at 75 0 C Ohms Ohms

59 Section 6-Employer s Requirements 6D 52 Item Units Required Tendered 36kV 36kV 9. Number of cores Nos. See Scope of Works and drawings 10. Knee point e.m.f. of protection cores V 11. Knee point e.m.f. of busbar protection cores V 12. Insulation material for windings 13. Limits on exciting current A 14. Partial discharge

60 Section 6-Employer s Requirements 6D Voltage Transformer 36kV 36kV 1. Type 2. Standards IEC IEC &3 3. Method of transformation (inductive or capacitive) inductive 4. Nominal primary voltage kv 33/ Number of secondaries and accuracy class Thermal capacity of ground-fault detection winding A/h See Scope of Works & Drawings 7. Rated burden (total on all secondaries) VA 8. Partial discharge acc.iec Height mm 10. Weight of single pole unit kg

61 Section 6-Employer s Requirements 6D Local Control Unit Item Units Required Tendered 36kV 36kV 1. Type 2. Manufacturer 3. Standards 4. Material 5. Thickness mm 6. Surface finish 7. Dimensions: - length width height mm mm mm 8. Total net mass kg

62 Section 6-Employer s Requirements 6D LVAC EQUIPMENT Item Units Required Tendered (a) DISTRIBUTION BOARD 1. Manufacturer's Name 2. Manufacturer's Address 3. Manufacturer s type designation and type ref number or Model number 4. Rating A Fault Rating ka Voltage V 400/230 (b) MCCB 1. Manufacturer's Name 2. Manufacturer's Address 3. Manufacturer s type designation and type ref number or Model number 4. Type 5. Rating A 6. Fault Rating ka 16 (c) ACB 1. Manufacturer's Name 2. Manufacturer's Address 3. Manufacturer s type designation and type ref number or Model number 4. Type 5. Rating A 6. Fault Rating ka 16

63 Section 6-Employer s Requirements 6D BATTERIES AND CHARGERS V DC 220V 220V (a) Battery 1. Manufacturer's Name 2. Country of Manufacture 3. Place of Testing 4. Applicable Standard - IEC Type NiCd 6. Manufacturer s type designation, and type ref or model number 7. Voltage V DC Capacity at 6 hour rate Ah 9. Number of cells 10. Voltage per cell V 11. Battery voltage at end of the duty cycle V 12. Normal charging rate A 13. Maximum charging rate A 14. Ampere-hour efficiency at ten hour rate % 15. Ampere-hour efficiency at one hour rate % 16. Dimensions of cells mm 17. Dimensions of battery complete mm 18. Weight of cell complete with electrolyte kg 19. Total weight of battery complete kg 20. Internal resistance per cell when fully charged ohms 21. Material of battery case

64 Section 6-Employer s Requirements 6D V 220V (b) Battery Charger 1. Manufacturer s name 2. Manufacturer s address 3. Place of Testing 4. Manufacturer s type designation and type ref number 5. Applied standard 6. Number of phases Three 3 7. Type of charger control Micro processor 8. AC Input Nominal Voltage V AC Input Voltage range % 10. Operating frequency Hz 11. AC input to charger at full load kva 12. AC input current A 13. DC Nominal Voltage V DC output of the charger kw 15. Constant voltage (i) Floating charge (ii) Equalizing charge V V 16. Maximum out put voltage (i) at automatic control (ii) at Boost charge V V 17. Regulation % 18. Range of DC voltage control

65 Section 6-Employer s Requirements 6D V 220V 19. Output voltage ripple % Protection class IP Operating ambient temperature deg C 22. Dimension 23. (i) Height (ii) Width (iii) Depth Normal and Boost charge are Independent Units mm mm mm /No 24. Test report reference No: (c) D.C. Switchboards 1. Manufacturer's Name 2. Manufacturer's Address 3. Place of Testing 4. Type of construction 5. Manufacturer s type designation and type ref number 6.. Busbars:- (i) Maximum current rating (ii) Dimensions A mm 7. Boost charge contactors:- (i) Manufacturer (ii) Maximum current rating (iii) Coil rating A W (iv) Method of interlocking

66 Section 6-Employer s Requirements 6D V 220V 8. Alarm relays:- (i) Manufacturer (ii) Type and reference (iii) Power consumption:- a) Quiescent A b) Operated ma 9. Number and rating of distribution circuits 10. Overall dimensions mm 11. Total weight kg

67 Section 6-Employer s Requirements 6D kv PROTECTION EQUIPMENT /33 kv Transformer Biased Differential Protection 1. Manufacturer's Name & Address 2. Manufacturer s type designation & model number 3. Range of operating coil settings 4. Range of bias coil settings % of CT rating % of CT rating 5. Recommended operating coil setting 6. Recommended bias coil setting 7. Number of bias coils 8. Minimum sensitivity (i) Earth faults (ii) Phase faults % of CT rating % of CT rating 9. Maximum through fault at which the protective equipment is stable with recommended settings (i) Earth faults % of CT rating (ii) Phase faults % of CT rating 10. Maximum time delay between initiation of fault and energizing of breaker trip circuit. ms 11. Test plugs given as per clause of Technical Specification Grid Substation /No

68 Section 6-Employer s Requirements 6D Transformer Restricted Earth Fault Protection 1. Manufacturer's Name & Address 2. Manufacturer s type designation & model number 3. Operating principle, high impedance/ low impedance 4. Minimum relay setting A Low impedance Sensitivity of scheme(allowing for CT magnetizing current, etc.) Maximum through fault current at which protection is stable. A A 7. CT requirements Operating time at twice relay minimum setting. Operating time at ten times relay minimum setting. ms ms

69 Section 6-Employer s Requirements 6D Busbar Protection 245kV 245kV 1. Manufacturer's Name & Address Manufacturer s type designation & model number. Operating principle,e.g., high impedance, low impedance Low impedance 4. Minimum relay setting Sensitivity of scheme(allowing for CT magnetizing current, etc.) Maximum through fault current at which protection is stable A 7. CT requirements Estimated magnetizing current at relay setting Operating time at twice relay minimum setting Operating time at ten times relay minimum setting ms ms 11. Maximum No of input to the relay 12. Burden per relay input VA

70 Section 6-Employer s Requirements 6D Tripping Relays 245kV 245kV 1. Manufacturer's Name & Address 2. Manufacturer s type designation and model number 3. Nominal operating voltage V 4. Minimum operating voltage V 5. Operating indicator 6. Operating time at nominal voltage ms 7. Contact rating : Make and carry continuously V/A Break resistive watts inductive VA

71 Section 6-Employer s Requirements 6D Inverse Time Overcurrent and Earth Fault Protection 245kV 245kV 1. Manufacturer's Name & Address 2. Manufacturer s type designation & model number 3. Inverse time element 4. Range of current settings: (i) over current (ii) earth fault Range of operating times at highest timing setting at ten times current setting Range of operating times at highest timing setting at twice current setting A A s s 7. High set instantaneous element 8. Range of settings: - over current A 9. Transient over- reach % 10. Operating times: at twice setting at ten times setting s s 11. Burden of relay on minimum inverse time element current setting at a current ten times setting - overcurrent VA - earth fault VA 12. Directional element (where applicable)

72 Section 6-Employer s Requirements 6D kV 245kV 13. Operating time 14. Direction discrimination Minimum voltage required at currents between (i) 1 X rated current (ii) 10 X rated current Whether directional element controls the overcurrent protection Reset time after removal of ten times CT rated current for (i) phase element (100%) ms (ii) EF element (40%) ms

73 Section 6-Employer s Requirements 6D Faults Source to Line Ratio Fault Position % of Relay Setting Operating Time m.sec Minimum Maximum (a) Earth Faults 1 0(relay point) (relay point) (relay point) (b) Phase to Phase Faults 1 0(relay point) (relay point) (relay point) 50 90

74 Section 6-Employer s Requirements 6D 67 Source to Line Ratio Fault Position % of Relay Setting Operating Time m.sec Minimum Maximum (c) Three Phase Faults 1 0(relay point) (relay point) (relay point) 50 90

75 Section 6-Employer s Requirements 6D Dead Line Check Relays 245kV 245kV 1. Manufacturer's Name & Address 2. Manufacturer s type designation & model number 3. Voltage setting ranges (i) Busbar Voltage (ii) Line Voltage V V 4. Any time delays (Specify function and value)

76 Section 6-Employer s Requirements 6D Synchronising Check Relays 245kV 245kV 1. Manufacturer's Name & Address 2. Manufacturer s type designation 3. Setting ranges (i) Phase angles (ii) Voltage difference (iii) Frequency degrees V Hz 4. Any time delays (Specify function and value)

77 Section 6-Employer s Requirements 6D Breaker Failure Protection 245kV 245kV 1. Manufacturer's Name & Address 2. Manufacturer s type designation 3. Setting of current elements : (i) phase faults (ii) earth faults 4. Timer setting 5. Burden of relay at minimum current setting at 10 times CT secondary rated current during : (i) phase faults (ii) earth faults

78 Section 6-Employer s Requirements 6D Intertripping Send/Receiver Relays 245kV 245kV 1. Manufacturer's Name & Address 2. Manufacturer s type designations & model number (i) send relay (ii) receive relay 3. Send relay : (i) Insulation level : kv(minimum 15kV) (ii) Rated operating voltage : (iii) Operating time at nominal volts: V ms (iv) Is operation indicator fitted: (v) Is injection resistor required: (vi) Insulation level of injection resistor: 4. Receive relay: (i) Insulation level :kv (minimum 15kV) (ii) Degree of surge proofing (iii) Minimum operating voltage/current: (iv) Nominal operating voltage/current (v) Operating time at nominal operating (vi) Voltage/Current Amps a.c.& 50Hz V/A V/A ms V/A (vii) Is operation indicator fitted